- Antipsychotic monotherapy with olanzapine, risperidone or quetiapine for minimum of 1 month at entry into study and with weight gain of 2 BMI units while on this medication or development of abnormalities of glucose (greater than 110 mg/dl fasting), lipids (total cholesterol [TC], high-density lipoprotein [HDL], triglycerides [TG], or low-density lipoprotein [LDL] greater than 10% change) or blood pressure (greater than 20 mmHg change in systolic or diastolic)